Inventions!!!

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Across
  1. 5. river power
  2. 7. speak through a wire
  3. 10. keep the skywater off your body
  4. 11. hammer those letters out quickly!
  5. 12. pig iron to wrought iron
  6. 13. powerful field for picking up metal
  7. 15. power by boiling water (2 words)
  8. 16. store your food longer (2 words)
  9. 17. thread into cloth (2 words)
Down
  1. 1. hard building material
  2. 2. pick more cotton!!(2 words)
  3. 3. stitching fabric together (2 words)
  4. 4. jumping electricity makes light (2 words)
  5. 6. tap out the words
  6. 8. strike to light
  7. 9. make cotton thread (2 words)
  8. 14. from coast to coast